Home / 27,803,981,903.20-41,705,972,854.80-18,988,013,442.40

Finding the Fourth Proportional to 27,803,981,903.20, 41,705,972,854.80 and 18,988,013,442.40

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Solution

The fourth proportional to 27,803,981,903.20, 41,705,972,854.80 and 18,988,013,442.40 is: 28,482,020,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,803,981,903.20 : 41,705,972,854.80 = 18,988,013,442.40 : x
  2. Step 2: Convert to fraction form
    27,803,981,903.20/41,705,972,854.80 = 18,988,013,442.40/x
  3. Step 3: Cross multiply
    27,803,981,903.20x = 41,705,972,854.80 × 18,988,013,442.40
  4. Step 4: Simplify right side
    27,803,981,903.20x = 791,913,573,195,312,005,120
  5. Step 5: Solve for x
    x = 791,913,573,195,312,005,120/27,803,981,903.20
  6. Step 6: Final answer
    x = 28,482,020,163.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.